https://joy.videvo.net/videvo_files/video/free/2019-04/large_watermarked/190319_01_ClimateChange_007_preview.mp4 Save the World Protest Sign Close up of a sign reading 'save the world' at a protest in London, UK. capitalchangeCity of Londonclimateclimate changeearthecoeco systemenvironmentglobal warmingLondonLondon Citymarchprotestprotesterssave the worldsignstudentstudent protestukUnited Kingdomwestminsterwestminster abbey